JP4836530B2 - Wave breaker for float type water level gauge - Google Patents

Description

  The present invention comprises a cylindrical body whose lower end is inserted and installed under a water surface having a predetermined water level, a water surface having the same height as the external water surface is formed inside the cylindrical body, The present invention relates to a breakwater tube for a float-type water level meter that movably accommodates a float of a float-type water level meter that moves according to height.

  Accurate measurement of water levels in rivers and dams is important to prevent disasters caused by increased river water and to properly use water stored in dams. As one of devices for measuring these water levels, there is a water level measuring device comprising a float type water level meter and a float type water level gauge breaker tube used therewith.

  FIG. 5 shows a conventional water level measuring device. As shown in FIG. 5, the conventional water level measuring apparatus I includes a float type water level meter 10 and a float type water level gauge breaker tube 500, and the float type water level gauge breaker tube 500 is a float type water level gauge. 10 is disposed below. Further, the float 11 of the float type water level gauge 10 is movably accommodated in the breakwater pipe 500 for the float type water level gauge. Since water enters and exits through a plurality of holes (not shown) provided in the float type water level gauge breaker tube 500, the water level inside the float type water level gauge wave breaker 500 and the height of the external water level are high. Therefore, the water level can be measured based on the position of the float 11 that moves in accordance with the height of the water surface inside the float-type water level gauge breaker tube 500. When this water level measuring device I is used, it is possible to prevent the influence of waves and the like generated on the water surface of rivers and dams, so that the water level can be measured accurately. However, if the water level measurement device I is used to measure the water level of rivers, dams, etc. for a long period of time, sediments such as earth and sand and trash, together with water through a plurality of holes (not shown), are used for the float type water level gauge There is a problem that dirt or the like accumulates in the inside of the pipe 500 and accumulates in the inside of the breakwater pipe 500 for the float type water level gauge, particularly in the upper part of the sealing lid 530 attached to the lower end, making it impossible to accurately measure the water level. there were. Therefore, it is necessary to periodically discharge the earth and sand from the bottom of the float-type water level gauge breaker tube 500.

  However, the sealing lid 530 attached to the lower end of the float-type water level gauge wave breaker 500 is fixed to the wave breaker main body 520 with bolts and cannot be easily removed, and an underwater pump or the like must be used. For example, there is a problem that the sediment deposited inside the breakwater tube 500 for float type water level gauge cannot be discharged. In addition, when this water level measuring device I is installed in a hydroelectric dam, if the water supply to the hydroelectric generator is not stopped, that is, if the power generation is not stopped (for a few days), the float type There was a problem that the sediment deposited inside the water level gauge breaker tube 500 could not be discharged. And about 10 workers were required to perform such construction.

  On the other hand, there has been proposed a water level meter that can easily remove dust adhering to the inner wall of a wave breaker (see, for example, Patent Document 1). There is a problem that it cannot be applied to other types of water level gauges.

JP 2003-75229 A

  In view of the circumstances described above, an object of the present invention is to provide a float-type water level gauge breaker tube that can easily discharge sediments such as earth and sand and dust accumulated therein.

A first aspect of the present invention that solves the above-described problem is a cylindrical body that is installed by being inserted under the water surface having a predetermined water level at the lower end, and is flush with the water surface inside the cylindrical body. A float-type water level gauge breaker tube in which a float-type water level gauge float is formed, and moves according to the height of the water surface. And an opening / closing lid that opens and closes the opening at the lower end of the cylindrical body, and remote operation means that remotely opens and closes the opening / closing lid. The remote control means is attached to the open end of the open / close lid and extends in the axial direction of the wave breaker main body so that the open end pivots downward. A linear member, and the wave breaker main body or the wave breaker It is provided above the main body and is provided at the base end portion of the linear member to adjust the position of the distal end portion of the linear member with respect to the wave breaker main body so that the opening / closing position of the opening / closing lid is adjusted. Auxiliary remote operation means is provided together with the linear member adjusting means to be controlled, and the auxiliary remote operation means has a tip portion attached to the open end portion of the open / close lid and the fixed remote end portion of the open / close lid. An auxiliary linear member extending in the axial direction of the wave breaker main body, and provided above the wave breaker main body or the wave breaker main body and provided at a proximal end portion of the auxiliary wire linear member. Float type comprising an auxiliary linear member adjusting means for adjusting the position of the opening and closing of the opening / closing lid by adjusting the position of the tip of the linear member with respect to the wave tube body Located in water level gauge breaker.

In the first aspect, deposits deposited inside the float-type water level gauge breaker tube can be easily discharged. In addition, the opening / closing lid can be easily remotely controlled, and the opening / closing posture of the opening / closing lid can be controlled more accurately.

  According to the float-type water level gauge breaker tube according to the present invention, it is possible to easily discharge the sediment deposited inside the float-type water level gauge breaker tube. Maintenance and management can be easily performed at low cost. Moreover, according to the float-type water level gauge breaker tube according to the present invention, deposits deposited inside the float-type water level gauge breaker tube can be discharged in a short time by one worker.

  Hereinafter, the best mode for carrying out the present invention will be described. The description of the present embodiment is an exemplification, and the present invention is not limited to the following description.

(Embodiment 1)
FIG. 1 is a schematic cross-sectional view showing a float type water level gauge breaker tube according to Embodiment 1 of the present invention. As shown in FIG. 1, the float-type water level gauge breaker tube 1 according to the present embodiment includes a cylindrical body 20 that is installed by being inserted under a water surface having a predetermined lower end.

  The cylindrical body 20 is provided with a plurality of holes (not shown), and water enters and exits through these holes, so that the height of the external water surface of the cylindrical body 20 is the same as the height of the internal water surface. It is supposed to be.

  Further, the float 11 of the float-type water level gauge 10 is movably accommodated inside the cylindrical body 20 so that the float 11 can move according to the height of the water surface inside the cylindrical body 20. Based on the position of the float 11, the water level inside the cylindrical body 20 can be measured by the float type water level meter 10 provided above the cylindrical body 20.

  Further, an opening / closing lid 30 is provided at the lower end of the cylindrical body 20 so as to be freely opened and closed, so that the opening 22 provided at the lower end of the cylindrical body 20 can be opened and closed.

  The opening / closing lid 30 is provided at the lower end of the cylindrical body 20 via a hinge 23 with a part of the peripheral edge thereof as a fixed end portion 31, and can be opened and closed in the radial direction of the fixed end portion 31 of the opening / closing lid 30. The open end 32 positioned substantially on the opposite side can be opened and closed by rotating downward. A distal end portion of a wire 41 that is a linear member is attached to the open end portion 32 of the opening / closing lid 30. Then, by adjusting the position of the distal end portion of the wire 41 with respect to the cylindrical body 20, the opening / closing posture of the opening / closing lid 30 can be controlled. Here, the opening posture of the opening / closing lid 30 refers to a state in which the opening / closing lid 30 is pivoted downward and opened, and the closing posture of the opening / closing lid 30 refers to the opening / closing lid 30 of the cylindrical body 20. A state in which the opening 22 is blocked.

  The tip of the wire 41 is attached to the open end 32 of the open / close lid 30, and a plurality of wire guides 43 a to 43 provided on the outer surface of the cylindrical body 20 located on the open end 32 side of the open / close lid 30. It is guided by d and extends in the axial direction (upper end direction) of the cylindrical body 20. And the wire block 42 which is a linear member adjustment means is provided in the base end part of the wire 41. As shown in FIG.

  The wire block 42 is hung from the roof portion of the storage 15 that accommodates the float type water level gauge 10 installed above the cylindrical body 20 and is provided at the base end portion of the wire 41. By unwinding or winding 41, the position of the tip of the wire 41 with respect to the tubular body 20 can be adjusted. That is, the wire block 42 can control the posture when the opening / closing lid 30 connected to the tip end of the wire 41 is opened or closed by unwinding or winding the wire 41. In the present embodiment, the remote operation means 40 is constituted by a wire 41 and a wire block 42 so that the open / close lid 30 can be easily remotely operated.

  According to such a float-type water level gauge breaker tube 1, dust or the like accumulated inside the float-type water level gauge breaker tube 1 by opening the opening / closing lid 30 provided at the lower end of the cylindrical body 20. The deposit can be easily discharged. Below, each element which comprises the wave breaker tube 1 for float type water level gauges of this embodiment is demonstrated more concretely.

  The cylindrical body 20 is not particularly limited as long as the float 11 can be movably accommodated therein and can prevent the influence of external waves on the float 11.

  The opening / closing lid 30 is not particularly limited as long as it can close the opening 22 provided at the lower end of the cylindrical body 20.

  The wire 41 is not particularly limited as long as it can maintain the open / closed posture of the opening / closing lid 30 attached to the tip portion thereof. In this embodiment, the wire 41 is provided so as to pass through the outside of the cylindrical body 20, but may be provided so as to pass through the inside of the cylindrical body 20 as long as it does not contact the float 11. .

  The wire block 42 is not particularly limited as long as it can unwind or wind the wire 41. In the present embodiment, a manual wire block for manually winding the wire 41 is used.

  The wire guides 43a to 43d are not particularly limited as long as they can guide the wire 41.

  Below, operation | movement of the wave-type breakwater tube 1 for the float type water level meter of this embodiment is demonstrated. When the float type water level gauge breaker tube 1 is used for a long period of time, dust and other sediments enter the inside of the cylindrical body 20 through a plurality of holes (not shown) provided in the cylindrical body 20. As shown in FIG. 2, the dust 60 is accumulated on the lower end portion of the cylindrical body 20 (particularly the upper portion of the opening / closing lid 30). Then, the wire block 42 is operated and the wire 41 is unwound so that the front-end | tip part of the wire 41 may be located below from the lower end part of the cylindrical body 20. FIG. Then, the open end portion 32 of the opening / closing lid 30 rotates downward. When the opening / closing lid 30 rotates downward, as shown in FIG. 3, the dust 60 accumulated on the upper portion of the opening / closing lid 30 and the lower end portion of the cylindrical body 20 falls into the lower water and floats. It is discharged from the water level gauge breaker tube 1. Then, after the dust 60 accumulated on the upper part of the opening / closing lid 30 and the lower end part of the cylindrical body 20 is sufficiently discharged, the wire block 42 is operated again so that the opening / closing lid 30 opens the opening of the cylindrical body 20 again. The wire 41 is rewound so as to block the portion 22.

  In this manner, deposits such as dust 60 accumulated on the lower end portion of the cylindrical body 20 (particularly the upper portion of the opening / closing lid 30) can be easily discharged from the float-type water level gauge breaker tube 1.

(Embodiment 2)
In the float-type water level gauge breaker tube 1 according to the first embodiment, by operating the wire block 42, as a result, the float-type water level gauge wave breaker tube 1 lowers the tubular body 20 (particularly the opening / closing lid 30 Deposits such as dust 60 deposited on the upper part) were discharged, but the float type water level gauge wave breaker 1A of the present embodiment is composed of an auxiliary wire 51 and an auxiliary wire block 52 as shown in FIG. The auxiliary remote control means 50 may be further provided. With this configuration, the opening / closing posture of the opening / closing lid 30 can be more accurately controlled.

  The auxiliary wire 51 has a distal end attached to the open end 32 of the open / close lid 30, and the outer side of the tubular body 20 on the fixed end 31 side of the open / close lid 30 via the fixed end 31 of the open / close lid 30. It is guided by a plurality of auxiliary wire guides 53 a to 53 d provided on the surface, and extends in the axial direction (upper end direction) of the cylindrical body 20. And the base end part of the auxiliary | assistant wire 51 is connected to the auxiliary | assistant wire block 52 which is an auxiliary | assistant linear member adjustment means.

  The auxiliary wire block 52 is suspended from the roof portion of the storage 15 that accommodates the float type water level gauge 10 installed above the cylindrical body 20 and is provided on the proximal end side of the auxiliary wire 51. The position of the tip of the auxiliary wire 51 relative to the tubular body 20 can be adjusted by unwinding or winding up the auxiliary wire 51. That is, the auxiliary wire block 52 can assist the control of the opening / closing posture of the opening / closing lid 30 connected to the tip of the auxiliary wire 51 by unwinding or winding the auxiliary wire 51. It has become.

  By using such auxiliary remote operation means 50, even if the opening / closing lid 30 does not rotate downward even though the wire 41 is pulled out from the wire block 42, the opening / closing lid 30 is forcibly forced. Therefore, it is possible to more accurately control the posture of the opening / closing lid 30 when it is opened / closed. Below, each element which comprises 1A of float type water level gauge wave-proof tubes of this embodiment is demonstrated concretely.

  The auxiliary wire 51 is not particularly limited as long as the auxiliary wire 51 can maintain the open / closed posture of the opening / closing lid 30 attached to the distal end portion thereof. In the present embodiment, the auxiliary wire 51 is provided so as to pass through the outer side of the cylindrical body 20. However, if the auxiliary wire 51 is provided so as not to contact the float 11, the auxiliary wire 51 may be provided so as to pass through the inner side of the cylindrical body 20. Good.

  The auxiliary wire block 52 is not particularly limited as long as it can unwind or wind up the auxiliary wire 51 and adjust the position of the tip of the auxiliary wire 51 with respect to the tubular body 20. In this embodiment, the manual wire block which can adjust the length of the auxiliary wire 51 manually is used.

  The auxiliary wire guides 53a to 53d are not particularly limited as long as they can guide the auxiliary wire 51. In addition, since the other component is the same as that of the above-described float-type water level gauge wave breaker 1, the same reference numerals are given and description thereof is omitted.

  Next, the operation of the float type water level gauge breaker tube 1A of the present embodiment will be described. The operation of the float-type water level gauge wave breaker tube 1A is basically the same as the operation of the float-type water level gauge wave breaker tube 1 according to the first embodiment described above. However, in the operation of the float water level gauge breaker 1A, when the wire block 42 is operated and the wire 41 is pulled out so that the tip of the wire 41 is positioned below the lower end of the cylindrical body 20, At the same time, the auxiliary wire block 52 is operated to wind up the auxiliary wire 51. Then, even if the opening / closing lid 30 does not rotate downward despite the wire 41 being pulled out from the wire block 42, the opening / closing lid 30 can be forcibly rotated downward. The posture of the opening / closing lid 30 when opened / closed can be controlled more accurately. Then, when the wire block 42 is operated to rewind the wire 41, the auxiliary wire block 52 is simultaneously operated to pull out the auxiliary wire 51.

  In this way, as in the first embodiment, deposits such as dust 60 deposited on the lower end portion of the cylindrical body 20 (particularly the upper portion of the opening / closing lid 30) can be easily discharged from the float-type water level gauge breaker tube 1A. can do.

(Other embodiments)
As described above, in Embodiments 1 and 2, a wire is used as the linear member and the auxiliary linear member, and a wire block is used as the linear member adjusting means and the auxiliary linear member adjusting means. A rope or chain may be used as the auxiliary linear member. Moreover, you may make it move the front-end | tip part of a linear member and an auxiliary linear member up and down using a hydraulic cylinder, an electric motor, etc. as a linear member adjustment means and an auxiliary linear member adjustment means. Even if it does in this way, the effect similar to Embodiment 1 and 2 can be acquired.

  Moreover, in Embodiment 1 and 2, although the remote operation means 40 was comprised by the wire 41 and the wire block 42, the remote operation means 40 is not limited to this. For example, it may be configured by a wireless controller and an opening / closing mechanism that can open and close the opening / closing lid 30, and the opening / closing mechanism may be controlled by the wireless controller.

  In Embodiments 1 and 2, the cylindrical body 20 is provided with a plurality of holes (not shown) so that the height of the outer water surface of the cylindrical body 20 and the height of the inner water surface are the same. The cylindrical body 20 and the opening / closing lid 30 are provided with a plurality of holes, or only the opening / closing lid 30 is provided with a plurality of holes so that the outer surface of the cylindrical body 20 has the same height as the inner water surface. It may be made to become. In the first and second embodiments, a plurality of holes are provided in the cylindrical body 20 or the like, but there is no particular limitation as long as the height of the outer water surface of the cylindrical body 20 is the same as the height of the inner water surface. A slit or the like may be provided. Even if it does in this way, the effect similar to Embodiment 1 and 2 is acquired.

1 is a schematic cross-sectional view of a float-type water level gauge breaker tube according to Embodiment 1. FIG. It is a schematic sectional drawing at the time of refuse accumulating in the lower end part of the wave breaker tube for float type water level gauges concerning Embodiment 1. It is a schematic sectional drawing at the time of the opening-and-closing lid | cover of the float-type water level gauge breaker tube concerning Embodiment 1 opening. FIG. 5 is a schematic cross-sectional view of a float type water level gauge breaker tube according to a second embodiment. It is a schematic sectional drawing of the conventional wave-breaking tube for float type water level gauges.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 1A Float type water level gauge breaker 10 Float type water level gauge 11 Float 15 Storage box 20 Tubular body 22 Opening part 23 Hinge 30 Opening / closing lid 31 Fixed end part 32 Open end part 40 Remote control means 41 Wire 42 Wire block 43a, 43b, 43c, 43d Wire guide 50 Auxiliary remote control means 51 Auxiliary wire 52 Auxiliary wire block 53a, 53b, 53c, 53d Auxiliary wire guide 60 Dust

Claims (1)

The lower end portion is a cylindrical body that is inserted and installed under a water surface having a predetermined water level. A water surface having the same height as the water surface is formed inside the cylindrical body, and moves according to the height of the water surface. In the float-type water level gauge breaker tube that accommodates the float of the float-type water level gauge,
An opening / closing lid that is provided at the lower end of the cylindrical body so as to be freely opened and closed and opens and closes the opening at the lower end of the cylindrical body;
Remote operation means for remotely opening and closing the opening and closing lid , and
The open / close lid is attached to be openable and closable so that the open end pivots downward with a part of the peripheral edge as a fixed end,
The remote control means includes a linear member having a distal end attached to an open end of the open / close lid and extending in the axial direction of the wave breaker main body, and the wave breaker main body or the wave breaker main body. The position of the opening / closing lid when it is opened / closed is adjusted by adjusting the position of the tip of the linear member with respect to the body of the wave preventing tube provided at the base end of the linear member. Auxiliary remote control means together with the linear member adjustment means,
The auxiliary remote control means includes an auxiliary linear member having a distal end portion attached to an open end portion of the open / close lid and extending in an axial direction of the wave breaker main body via a fixed end portion of the open / close lid. And provided at the base end portion of the auxiliary linear member while adjusting the position of the distal end portion of the linear member with respect to the wave preventing tube main body. An auxiliary linear member adjusting means for assisting in controlling the posture of the opening / closing lid when it is opened and closed .

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